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a tool for shared writing and social publishing
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752 B · 30 lines
TypeScript
12345678910111213141516171819202122232425262728293031import { schema } from "components/Blocks/TextBlock/schema";import { Mark, MarkType } from "prosemirror-model";import { EditorState } from "prosemirror-state";
export function rangeHasMark( state: EditorState, type: MarkType, start: number, end: number,) { let mark: Mark | null = null; let length = end - start; if (!type.spec.inclusive) length = length - 1; for (let i = 1; i <= length; i++) { let pos = state.doc.resolve(start + i); let markAtPos = pos.marks().find((f) => f.type === type); if (!mark) { if (!markAtPos) { return null; } mark = markAtPos; } else { if (!markAtPos) return null; if (mark !== markAtPos) { return null; } } } return mark;}